Successfully complete the game to be presented with three options for unlockables. Option 1 is Dark Uber Heroes playable in VS mode, Option 2 is Extra Labyrinth in Multi mode, and Option 3 is unfreeze Priestess.

Music select

Unlock all three endings. Then, any music purchased from Hoshipon's shop will be played instead of the normal background music when selected.

Gaining Fever faster

Stop to "Party" to fill your fever bar faster than walking, attacking, or defending. Note: This is helpful before a Boss fight.